Possible to change email suscription status using Marketing automations?

[TimeTraveller]

I have a large number of emails which are never opened by my customers who currently are subscribed to my emails.  Is there a way using either Shopify Marketing automations or the Shopify Flow app to automatically unsubscribe a customer if they don't open an email after something like 30 days?  I have an open rate of around 23% right now, and would like to purge my database so that I'm only sending emails to customers most likely to open my emails.  (Subscribers equal approximately 70,000 but only about 16,000 currently open emails).

[johansyntech]

23% open rate is good bro. Just send email regularly, leave the 'unsubscribe' button there.

Focus more on the offer you bring, value you bring, and get more people into the list.

that's it bro.

If you want to clean the list, send the 'mass unsubcribe' email to them.
Telling:
I'm cleaning my list, if you don't want to get my email, just click here to unsubscribe. I deal only with people who wanna deal with me.

good idea?

[TimeTraveller]

So, exactly how do you propose that I convince the 50,000+ customers who aren't opening my emails to actually click on the "Unsubscribe" link within the emails that they're not opening?

Thanks, but I need a real solution using automations.